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A040253 Continued fraction for sqrt(270). 1
16, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3, 6, 3, 2, 32, 2, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..86.

Index entries for continued fractions for constants

Index entries for linear recurrences with constant coefficients, signature (0, 0, 0, 0, 0, 1).

FORMULA

a(n)=(1/30)*{-134*(n mod 6)+21*[(n+1) mod 6]+31*[(n+2) mod 6]+[(n+3) mod 6]+11*[(n+4) mod 6]+166*[(n+5) mod 6]}-16*[C(2*n,n) mod 2], with n>=0 [From Paolo P. Lava, Apr 20 2009]

MAPLE

with(numtheory): Digits := 300: convert(evalf(sqrt(270)), confrac);

CROSSREFS

Sequence in context: A037925 A239864 A040252 * A180730 A040254 A285386

Adjacent sequences:  A040250 A040251 A040252 * A040254 A040255 A040256

KEYWORD

nonn,cofr,easy

AUTHOR

N. J. A. Sloane.

STATUS

approved

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Last modified March 18 16:00 EDT 2019. Contains 321292 sequences. (Running on oeis4.)